48 



ELECTROLYSIS. 



WIEDESIANN'S EXPERIMENTS (1856). 



Solution of Sulphate of Copper: S0 3 , CuO + 5 HO at 14 C. 



grammes. 



31 '17 grammes, or 19-95 anhydrous sulphate in one litre 



62-34 39-90 



77-92 49-87 



93-51 59-85 

 124-68 79-80 

 155-85 99-75 

 187-02 119-70 



ohms. 

 124-3 

 70-2 

 59-9 

 54-8 

 45-7 

 39-9 

 36-3 



SPECIFIC RESISTANCE OF SULPHURIC ACID SOLUTIONS. (Fleeming Jenkin.) 



SPECIFIC RESISTANCE OF SULPHURIC ACID SOLUTIONS. (Matthiessen.) 



SPECIFIC RESISTANCE OF NITRIC ACID (Density = 1-36). 



